let the cat out of the bag
Definition from Wiktionary, the free dictionary
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[edit] English
[edit] Etymology
(Mid-1700s) The inverse of the idiom pig in a poke. If a dishonest merchant tries to sell a cat as a pig and the cat comes out or is taken out of the bag, the merchant's secret is disclosed.[1][2]
[edit] Phrase
- (idiomatic) To disclose a secret; to let a secret be known, often inadvertently.
- It was going to be a surprise party until someone let the cat out of the bag.
[edit] Synonyms
[edit] Translations
to disclose a secret, often inadvertently
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